Redmi Note 9S vs Vivo Y91i comparison

Compare Redmi Note 9S
Compare Vivo Y91i
key specs
Display6.67-inch6.22-inch
ProcessorQualcomm Snapdragon 720GMediaTek Helio P22
Front Camera16-megapixel5-megapixel
Rear Camera48-megapixel + 8-megapixel + 5-megapixel + 2-megapixel13-megapixel
RAM4GB2GB
Storage64GB16GB
Battery Capacity5020mAh4030mAh
OSAndroid 10Android 8.1
Resolution1080x2400 pixels720x1520 pixels
general
BrandXiaomiVivo
ModelRedmi Note 9SY91i
Release date23rd March 2020March 2019
Launched in IndiaYesYes
Form factorTouchscreenTouchscreen
Dimensions (mm)165.70 x 76.60 x 8.80155.11 x 75.09 x 8.28
Weight (g)209.00163.50
Battery capacity (mAh)50204030
Fast chargingProprietary-
ColoursAurora Blue, Glacier White, Interstellar GreyFusion Black, Ocean Blue
display
Screen size (inches)6.676.22
TouchscreenYesYes
Resolution1080x2400 pixels720x1520 pixels
Protection typeGorilla Glass-
Aspect ratio20:919:9
hardware
Processor2.3GHz octa-coreocta-core
Processor makeQualcomm Snapdragon 720GMediaTek Helio P22 (MT6762)
RAM4GB2GB
Internal storage64GB16GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)512-
Dedicated microSD slotYes-
camera
Rear camera48-megapixel (f/1.79) + 8-megapixel + 5-megapixel + 2-megapixel13-megapixel (f/2.2)
Rear autofocusPhase detection autofocusYes
Front camera16-megapixel5-megapixel (f/1.8)
Rear flash-Yes
software
Operating systemAndroid 10Android 8.1
SkinMIUI 11Funtouch OS 4.5
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 a/b/g/n/ac-
GPSYesYes
BluetoothYes, v 5.00Yes, v 5.00
USB Type-CYes-
Headphones3.5mm3.5mm
Number of SIMs22
Wi-Fi DirectYes-
Active 4G on both SIM cardsYes-
USB OTG-Yes
Micro-USB-Yes
FM-Yes
sim 1
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
sim 2
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
sensors
Face unlockYesYes
Fingerprint sensorYesNo
Compass/ MagnetometerYesYes
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
GyroscopeYesYes

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